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Cadmium(II) form of shortened metallothionein from Pseudomonas fluorescens Q2-87 (residues: 1-52)
Authors
Habjanic, J., Zerbe, O., Freisinger, E.
Assembly
Uncharacterized protein
Entity
1. Uncharacterized protein, entity 1 (polymer, Thiol state: all other bound), 52 monomers, 5759.259 Da Detail

NELRCGCPDC HCKVDPERVF NHDGEAYCSQ ACAEQHPNGE PCPAPDCHCE RS


2. Uncharacterized protein, entity CD (non-polymer), 112.411 × 4 Da
Total weight
6208.903 Da
Max. entity weight
5759.259 Da
Entity Connection
na 16 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1nasing1:CYS7:SG2:CD1:CD
2nasing1:CYS32:SG2:CD1:CD
3nasing1:HIS36:NE22:CD1:CD
4nasing1:CYS49:SG2:CD1:CD
5nasing1:CYS10:SG2:CD1:CD
6nasing1:CYS42:SG2:CD1:CD
7nasing1:CYS47:SG2:CD1:CD
8nasing1:CYS49:SG2:CD1:CD
9nasing1:CYS10:SG2:CD1:CD
10nasing1:CYS12:SG2:CD1:CD
11nasing1:CYS28:SG2:CD1:CD
12nasing1:CYS42:SG2:CD1:CD
13nasing1:CYS5:SG2:CD1:CD
14nasing1:CYS10:SG2:CD1:CD
15nasing1:CYS28:SG2:CD1:CD
16nasing1:CYS32:SG2:CD1:CD

Source organism
Pseudomonas fluorescens Q2-87
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 95.8 %, Completeness (bb): 94.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All95.8 % (522 of 545)96.2 % (277 of 288)97.6 % (201 of 206)86.3 % (44 of 51)
Backbone94.3 % (283 of 300)93.1 % (94 of 101)98.0 % (150 of 153)84.8 % (39 of 46)
Sidechain98.0 % (288 of 294)97.9 % (183 of 187)98.0 % (100 of 102)100.0 % (5 of 5)
Aromatic91.2 % (31 of 34)94.1 % (16 of 17)88.2 % (15 of 17)
Methyl100.0 % (20 of 20)100.0 % (10 of 10)100.0 % (10 of 10)

1. entity 1

NELRCGCPDC HCKVDPERVF NHDGEAYCSQ ACAEQHPNGE PCPAPDCHCE RS

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 300 K, pH 7.4 (±0.2), Details 0.5 mM [U-13C; U-15N] metallothionein, 2 mM CADMIUM ION, 50 mM [U-2H] TRIS, 50 mM sodium chloride, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1metallothionein[U-13C; U-15N]0.5 (±0.1) mM
2CADMIUM IONnatural abundance2 (±0.1) mM
3TRIS[U-2H]50 (±1.0) mM
4sodium chloridenatural abundance50 (±1.0) mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 300 K, pH 7.4 (±0.2), Details 1.5 mM metallothionein, 6 mM U-113CD CADMIUM ION, 50 mM [U-2H] TRIS, 50 mM sodium chloride, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
5metallothioneinnatural abundance1.5 (±0.1) mM
6CADMIUM IONU-113CD6 (±0.1) mM
7TRIS[U-2H]50 (±1.0) mM
8sodium chloridenatural abundance50 (±1.0) mM

LACS Plot; CA
Referencing offset: 0.2 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.2 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.17 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 0.34 ppm, Outliers: 1 Detail
Release date
2018-09-09
Citation
A histidine-rich Pseudomonas metallothionein with a disordered tail displays higher binding capacity for cadmium than zinc
Habjanic, J., Zerbe, O., Freisinger, E.
Metallomics. (2018), 10, 1415-1429, PubMed 30191219 , DOI 10.1039/c8mt00193f ,
Related entities 1. Uncharacterized protein, entity 1, : 1 : 2 : 1 : 5 entities Detail
Experiments performed 17 experiments Detail
NMR combined restraints 4 contents Detail
Keywords METAL BINDING PROTEIN, cadmium(II) ion, metal ion binding, metallothionein